Home / 19,211.14-26,511.49-10,713.80

Finding the Fourth Proportional to 19,211.14, 26,511.49 and 10,713.80

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Solution

The fourth proportional to 19,211.14, 26,511.49 and 10,713.80 is: 14,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.14 : 26,511.49 = 10,713.80 : x
  2. Step 2: Convert to fraction form
    19,211.14/26,511.49 = 10,713.80/x
  3. Step 3: Cross multiply
    19,211.14x = 26,511.49 × 10,713.80
  4. Step 4: Simplify right side
    19,211.14x = 284,038,801.56
  5. Step 5: Solve for x
    x = 284,038,801.56/19,211.14
  6. Step 6: Final answer
    x = 14,785.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.